CN102387537B - Wireless network system and wireless access points thereof - Google Patents
Wireless network system and wireless access points thereof Download PDFInfo
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- CN102387537B CN102387537B CN201010269599.0A CN201010269599A CN102387537B CN 102387537 B CN102387537 B CN 102387537B CN 201010269599 A CN201010269599 A CN 201010269599A CN 102387537 B CN102387537 B CN 102387537B
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Abstract
The invention provides a wireless network system and wireless access points of the wireless network system. The wireless network system comprises at least one wireless access point and a plurality of wireless end devices, wherein each wireless access point is used for maintaining one load list provided with load conditions of all wireless access points in the same region, and the load conditions of all wireless access points are arranged in the load list according to the existing utilization ratio of one processor of all wireless access points. Moreover, when a connection request is sent to one wireless access point by one wireless end device, the circumstance that whether the wireless access point is in a low load condition can be judged by the wireless access point per se, and according to the circumstance that whether the wireless access point is in a low load condition, the connection request can be chosen to be received or one or a plurality of wireless access points in a low load condition in the same region can be informed to receive the connection request.
Description
Technical field
The present invention relates to a kind of load balancing of WAP (wireless access point), particularly relate to a kind of Radio Network System and the WAP (wireless access point) thereof with load balancing.
Background technology
Current wireless network is widely used in various environment and scene, and WAP (wireless access point) (wireless AP) can allow multidigit user to be connected to WAP (wireless access point) to surf the Net by wireless window machine.Current existing wireless network (such as: the wireless network using IEEE 802.11a/b/g/n standard), usually only according to the radio-frequency (RF) signal strength that WAP (wireless access point) is launched, is decided in its sole discretion the WAP (wireless access point) wanting line by wireless window machine.Suppose to have at present two close WAP (wireless access point) A, B to exist in same adjacent domain simultaneously, and more wireless window machine is when WAP (wireless access point) A, because existing line deciding means is for select WAP (wireless access point) according to radio-frequency (RF) signal strength, then WAP (wireless access point) A can load condition be overweight because more wireless window machine links to WAP (wireless access point) A.
If when too much wireless window machine is connected to single wireless access point simultaneously, the grid line of these are wireless window machine is easily not smooth, crosses slow or unstable so that the user operating these wireless window machines experiences network connectivity situation.From the above, the problem solving current wireless network laod unbalance is a current important topic.
Summary of the invention
From the above, the invention provides a kind of Radio Network System and WAP (wireless access point) thereof, reach the load balancing in Radio Network System with distributed framework.
From a viewpoint, Radio Network System provided by the present invention has load balancing, and the WAP (wireless access point) in this Radio Network System obtains the current load condition of other WAP (wireless access point) in same region aperiodically, and maintain the loaded list of the load condition of all WAP (wireless access point).Thus, WAP (wireless access point) can judge whether the line solicited message of the wireless window machine of acceptance one according to the load condition of itself, or turns by being in one or more WAP (wireless access point) of low load condition in same region to accept this line solicited message.
From another viewpoint, WAP (wireless access point) also according to the load condition of itself, can judge whether starting load balancing.Multiple WAP (wireless access point) of starting load balancing can determine the line solicited message accepting a wireless window machine whether more jointly, and determine with being in one or more WAP (wireless access point) of low load condition in region to accept this line solicited message further, to realize the load balance in Radio Network System.
According to one embodiment of the invention, the present invention proposes a kind of Radio Network System, and this Radio Network System comprises at least one WAP (wireless access point) and multiple wireless window machine.Each WAP (wireless access point), in order to maintain a loaded list of the load condition of all WAP (wireless access point) in the same area, and at least current according to an all WAP (wireless access point) processor utilization rate, in loaded list, arrange the load condition of all WAP (wireless access point).In addition, when a wireless window machine sends a line solicited message to a WAP (wireless access point), this WAP (wireless access point) judges whether itself is a low load condition, and whether be low load condition according to itself, select accept this line solicited message or notify with being in one or more WAP (wireless access point) of low load condition in region to accept this line solicited message.
According to one embodiment of the invention, the present invention proposes a kind of WAP (wireless access point), in order to provide the connecting wireless network service of at least one wireless window machine and to perform load balancing.Described WAP (wireless access point) comprises a wireless transceiver module, a memory module and a processor module.Wireless transceiver module is in order to be wirelessly connected at least one WAP (wireless access point) or at least one wireless window machine in same region.Memory module comprises a home control network communication protocol processing module and a load management module.The line solicited message that home control network communication protocol processing module sends in order at least to process a wireless window machine.Load management module is in order to maintain a loaded list of the load condition of all WAP (wireless access point) in the same area, and at least current according to an all WAP (wireless access point) processor (CPU) utilization rate, in loaded list, arrange the load condition of all WAP (wireless access point).Processor module in order to perform home control network communication protocol processing module and load management module, and controls wireless transceiver module and memory module.In addition, when a wireless window machine sends a line solicited message to this WAP (wireless access point), load management module is selected to accept line solicited message according to a processor utilization rate of processor module, or notice is in one or more WAP (wireless access point) of low load condition in same region to accept line solicited message.
According to one embodiment of the invention, the present invention proposes a kind of WAP (wireless access point), in order to provide the connecting wireless network service of at least one wireless window machine and to perform load balancing.Described WAP (wireless access point) comprises a wireless transceiver module, a memory module and a processor module.Wireless transceiver module, in order to be wirelessly connected at least one WAP (wireless access point) or at least one wireless window machine in same region.Memory module comprises a home control network communication protocol processing module and a load management module.The line solicited message that home control network communication protocol processing module sends in order at least to process a wireless window machine.Load management module is in order to maintain a loaded list of the load condition of all WAP (wireless access point) in the same area, and when the load condition of described WAP (wireless access point) changes, broadcast a update notification to other WAP (wireless access point) in region, make other WAP (wireless access point) upgrade respective loaded list.Processor module in order to perform home control network communication protocol processing module and load management module, and controls wireless transceiver module and memory module.In addition, when a wireless window machine sends a line solicited message to this WAP (wireless access point), load management module judges whether WAP (wireless access point) is a low load condition, and whether when being low load condition according to this WAP (wireless access point), selection accepts this line solicited message or notice is in one or more WAP (wireless access point) of low load condition to accept this line solicited message.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate institute's accompanying drawings to be described in detail below.
Accompanying drawing explanation
Fig. 1 is the schematic flow diagram that line set up by a kind of WAP (wireless access point) and wireless window machine according to one embodiment of the invention.
Fig. 2 is the schematic diagram of a kind of Radio Network System according to one embodiment of the invention.
Fig. 3 A is the functional block diagram of a kind of WAP (wireless access point) according to one embodiment of the invention.
Fig. 3 B is the functional block diagram of a kind of wireless window machine according to one embodiment of the invention.
Fig. 4 is the flow chart of a kind of WAP (wireless access point) balancing method of loads according to one embodiment of the invention.
Fig. 5 is the flow chart that a kind of many WAP (wireless access point) work in coordination with balancing method of loads according to one embodiment of the invention.
Reference numeral:
110: WAP (wireless access point); 120: wireless window machine;
1101 ~ 1104 ..., 110m: WAP (wireless access point); 20: Radio Network System;
1201 ~ 1207 ..., 120n: wireless window machine; 210: line solicited message;
220: line echo message; 30: WAP (wireless access point);
310,350: processor module; 320,360: wireless transceiver module;
330,370: memory module; 331: load management module;
332,372: home control network communication protocol processing module; 35: wireless window machine;
400: WAP (wireless access point) balancing method of loads; S402 ~ S414, S502 ~ S516: step;
500: many WAP (wireless access point) work in coordination with balancing method of loads.
Embodiment
Fig. 1 is the schematic flow diagram that line set up by a kind of WAP (wireless access point) and wireless window machine according to one embodiment of the invention.Please refer to Fig. 1, WAP (wireless access point) 110 receives a line solicited message of a wireless window machine 120 (such as: mobile phone, notebook computer or panel computer).This line solicited message can be such as: a detecting request (probe request, or make Probe Req), checking (Authentication) and a connection request (association request, or make Assoc Req).And WAP (wireless access point) 110 is by according to replying this echo message needed for line solicited message, such as: (probe response is responded in detecting, or Probe Rsp), a checking to be connected and to respond (association response, or make Assoc Rsp) with one.After the step of usual above-mentioned line completes, between WAP (wireless access point) 110 and wireless window machine 120, namely can start the action of data transmission.The present invention then adds the control method to WAP (wireless access point) 110 further in above-mentioned line creates a mechanism, to reach distributed load balancing in Radio Network System.
Fig. 2 is the schematic diagram of a kind of Radio Network System 20 according to one embodiment of the invention.This Radio Network System 20 comprise multiple WAP (wireless access point) 1101,1102,1103,1104 ..., 110m be dispersed in the same area, wherein n is positive integer.In addition, Radio Network System 20 also comprise multiple wireless window machine (or wireless terminal device) 1201,1202,1203,1204,1205,1206,1207 ..., 120n be dispersed in respectively above-mentioned multiple WAP (wireless access point) 1101,1102,1103,1104 ..., 110m adjacent domain.Described wireless window machine can be such as: a desktop computer, a notebook computer, a smart mobile phone, personal digital assistant's device, a TV, a multimedia player or a device for mobile communication.These are wireless window machine 1201 ~ 1207 ..., 120n can respectively to WAP (wireless access point) 1101 ~ 1104 ..., 110m wherein one a line solicited message is proposed, and completing after the line shown in Fig. 1 creates a mechanism, start to carry out data transmission with the WAP (wireless access point) of institute's line.
Continue referring to Fig. 2, each WAP (wireless access point) (such as: WAP (wireless access point) 1101 ~ 1104 ..., 110m) in Radio Network System 20, all maintain a loaded list of the load condition of all WAP (wireless access point) in the same area, and at least current according to an all WAP (wireless access point) processor (CPU) utilization rate, in this loaded list, arrange the load condition of all WAP (wireless access point).Illustrate, WAP (wireless access point) 1101 can collect the load condition of WAP (wireless access point) 1102 ~ 1104 ..., 110m, and according to the load condition (comprising the load condition of WAP (wireless access point) 1101 itself) of all WAP (wireless access point) of obtaining, sort at a loaded list.
In the present embodiment, these WAP (wireless access point) 1101 ~ 1104 ..., 110m utilize (the Inter Access Point Protocol of communications protocol between a WAP (wireless access point), IAPP) link up respective load condition, and described load condition comprises the total number of processor utilization rate, network usage and wireless window machine on line.But the present invention is not limited to communications protocol between WAP (wireless access point), other communications protocol between WAP (wireless access point), can also be utilized to carry out the renewal of load condition.
In the present embodiment, each WAP (wireless access point), when load condition changes, is namely broadcasted a update notification and is made other WAP (wireless access point) upgrade respective loaded list to other WAP (wireless access point) in the same area.Illustrate, assumed wireless access point 1101 originally sets up line with wireless window machine 1201, and now the total number of wireless window machine on line is 1 and processor utilization rate is 5%.When not yet set up line one wireless window machine 120n sends a line solicited message 210 to WAP (wireless access point) 1101, and after WAP (wireless access point) 1101 creates a mechanism sequentially respond this line solicited message 220 (schematically represent that above-mentioned detecting is responded, checking and being connected respond) according to the line of Fig. 1, the total number of the on line wireless window machine of WAP (wireless access point) 1101 increases to 2 and processor utilization rate may increase to 8% accordingly.Now, WAP (wireless access point) 1101 can notify other WAP (wireless access point) (such as: WAP (wireless access point) 1102 ~ 1104 ..., 110m) in the same area change after the total number of on line wireless window machine and processor utilization rate.
Each WAP (wireless access point) can also sequentially according to a total number of a current processor utilization rate, a network usage (bandwidth availability) and the wireless window machine on line of all WAP (wireless access point), and the load condition arranging all WAP (wireless access point) in described loaded list is load condition and a low load condition in a high load condition.Described network usage can be such as: 11 megabit units (Mbps) per second of IEEE 802.11b standard, 54 (Mbps) of IEEE 802.11g standard and 450 (Mbps) of IEEE802.11n standard.
In the present embodiment, described low load condition (or classifying as the condition of low load group) is that the total number of the on line wireless window machine of a WAP (wireless access point) is less than or equal to a default line number threshold value M, processor utilization rate is less than or equal to a first processor utilization rate threshold value (such as: 30%), and network usage is less than or equal to a first network utilization rate threshold value, and (such as: 30%), wherein presetting line number threshold value M is a positive integer.Moreover, described middle load condition (or classifying as the condition of middle load group) is that the total number of the on line wireless window machine of a WAP (wireless access point) is less than or equal to a default line number threshold value M, processor utilization rate be less than or equal to one second processor utilization rate threshold value (such as: 60%), and network usage be less than or equal to a second network utilization rate threshold value (such as: 60%).In addition, described high load condition (or classifying as the condition of high capacity group) is that the total number of the on line wireless window machine of a WAP (wireless access point) is greater than a default line number threshold value, or processor utilization rate is greater than one second processor utilization rate threshold value, or network usage is greater than a second network utilization rate threshold value.
In the present embodiment, when a wireless window machine 120n sends a line solicited message to a WAP (wireless access point) 1101, WAP (wireless access point) 1101 judges whether itself is a low load condition, and when whether being low load condition according to itself, select to accept line solicited message or notify to accept this line solicited message with one or more WAP (wireless access point) (such as: WAP (wireless access point) 1102,1103) being in low load condition in region.Citing further illustrates, when a WAP (wireless access point) 1101 receives a line solicited message of a wireless window machine 120n, and this WAP (wireless access point) 1101 judge this as low load condition time, then WAP (wireless access point) 1101 automatically can accept this line solicited message.On the contrary, when a WAP (wireless access point) 1101 receives a line solicited message of a wireless window machine 120n, and this WAP (wireless access point) 1101 judgement itself is not when being low load condition, then this WAP (wireless access point) 1101 can refuse this line solicited message, and one or more WAP (wireless access point) (such as: WAP (wireless access point) 1102,1103) that notice is in low load condition accepts this line solicited message.
In Radio Network System 20, each WAP (wireless access point) can also judge whether the load balancing of startup itself according to the total number of wireless window machine on line, processor utilization rate and network usage.If the total number of a wireless window machine on line of a WAP (wireless access point) judgement itself is greater than default line number threshold value M, then the load balancing described in the startup of this WAP (wireless access point).If a processor utilization rate of a WAP (wireless access point) judgement itself is greater than first processor utilization rate threshold value, then the load balancing described in the startup of this WAP (wireless access point).If a network usage of a WAP (wireless access point) judgement itself is greater than first network utilization rate threshold value, then the load balancing described in the startup of this WAP (wireless access point).
In the present embodiment, assumed wireless access point 1101 is starting load balancing, and a wireless window machine 120n is when sending a line solicited message to a WAP (wireless access point) 1101, the line solicited message that WAP (wireless access point) 1101 can not reply wireless window machine 120n (comprising: detecting request, checking and connection request), or passback one stops connecting (Disassociation) information to wireless window machine 120n, wherein this stops the reason identification code (reason code) connected to be 5, all wireless window machines connecting (associated) represent WAP (wireless access point) 1101 because cannot be processed simultaneously, and stop the connection with wireless window machine 120n.
In Radio Network System 20, multiple WAP (wireless access point) can also select associated treatment not yet to set up the line solicited message of a wireless window machine of line.When WAP (wireless access point) all in the same area (such as: WAP (wireless access point) 1101 ~ 1104 ..., 110m) all start above-mentioned load balancing, this a little WAP (wireless access point) to utilize between a WAP (wireless access point) communications protocol to link up respective load condition, and judges whether a line solicited message of the wireless window machine accepting not yet line.When all WAP (wireless access point) all start described load balancing, and work in coordination with by all WAP (wireless access point) the line solicited message that judgement can accept the wireless window machine of not yet line (newly adding), then this little WAP (wireless access point) sequentially according to a total number of a current processor utilization rate, a network usage and the wireless window machine on line of each WAP (wireless access point), can judge a WAP (wireless access point) that can accept this line solicited message.
Illustrate, WAP (wireless access point) 1101 ~ 1104 ..., 110m can sequentially search respective loaded list, jointly to determine a WAP (wireless access point) (such as: WAP (wireless access point) 1103) with lower reason device utilization rate, lower network usage and less wireless window machine on line, and notify that this WAP (wireless access point) accepts at present the line solicited message of the not yet wireless window machine (such as: wireless window machine 120n) of line.After having introduced the technology contents of Radio Network System 20, the functional block diagram of WAP (wireless access point) and wireless window machine will be introduced further with Fig. 3 A and Fig. 3 B below.
Fig. 3 A is the functional block diagram of a kind of WAP (wireless access point) 30 according to one embodiment of the invention.Referring to Fig. 2 and Fig. 3 A, WAP (wireless access point) 30 comprises processor module 310, wireless transceiver (wireless transceiver) module 320 and a memory module 330.Wireless transceiver module 320 in order to be wirelessly connected at least one WAP (wireless access point) or at least one wireless window machine in same region, and comprises at least one antenna element (not shown).Processor module 310 can comprise one or more central processor unit.
Please refer to Fig. 3 A, memory module 330 comprises home control network communication protocol processing module 332 and a load management module 331.Load management module 331 is to maintain a loaded list of the load condition of all WAP (wireless access point) in the same area, and at least current according to an all WAP (wireless access point) processor utilization rate, in loaded list, arrange the load condition of all WAP (wireless access point).The line solicited message that home control network communication protocol processing module 332 sends in order at least to process a wireless window machine.Described memory module 330 can also comprise operating system software, firmware module or other applications, and performs these softwares or firmware by processor module 310, but these softwares or firmware not emphasis of the present invention, therefore at this in detail its details is not described in detail.
Referring to Fig. 2 and Fig. 3 A, processor module 310 in order to perform load management module 331 and home control network communication protocol processing module 332, and controls wireless transceiver module 320 and memory module 330.In addition, when a wireless window machine sends a line solicited message to this WAP (wireless access point) 30, load management module 331 is selected accept or process this line solicited message according to a processor utilization rate of processor module 310, or notifies that being in one or more WAP (wireless access point) of low load condition in same region accepts or process this line solicited message.
In the present embodiment, load management module 331 can also according to a total number of a current processor utilization rate, a network usage and the wireless window machine on line of all WAP (wireless access point), and in loaded list, arrange all WAP (wireless access point) is high load condition, middle load condition and low load condition.As for the method for the load condition described in judgement, please refer to describing of the correspondence of above-mentioned Fig. 2, no longer repeat its details at this.
But, the present invention is not limited to above-mentioned, in other embodiments, above-mentioned load management module 331 can be replaced with hardware unit with home control network communication protocol processing module 332, and this little load management module (not shown) of processor module 310 Control and coordination and home control network communication protocol processing module (not shown).
Fig. 3 B is the functional block diagram of a kind of wireless window machine 35 according to one embodiment of the invention.Referring to Fig. 2 and reference Fig. 3 B, wireless window machine 35 comprises processor module 350, wireless transceiver module 360 and a memory module 370.Wireless transceiver module 360 in order to be wirelessly connected at least one WAP (wireless access point) in same region, and comprises at least one antenna element (not shown).Memory module 370 comprises a home control network communication protocol processing module 372.Home control network communication protocol processing module 372 in order to propose a line solicited message at least one WAP (wireless access point), and processes line Establishing process and the data transmission flow process set up after line.Processor module 350 in order to perform and home control network communication protocol processing module 372, and controls wireless transceiver module 360 and memory module 370.Processor module 350 can comprise one or more central processor unit.After having introduced the building blocks of function of WAP (wireless access point) and wireless window machine, the flow process of WAP (wireless access point) balancing method of loads will be introduced further with Fig. 4 to Fig. 5 below.
Fig. 4 is the flow chart of a kind of WAP (wireless access point) balancing method of loads 400 according to one embodiment of the invention.Referring to Fig. 3 A and Fig. 4, the method 400, by step S402, between step S402 to step S406, checks whether the condition meeting and start balancing.In step S402, the load management module 331 of a WAP (wireless access point) judges whether the total number of wireless window machine on line is greater than default line number threshold value.If not, then after step S402, proceed step S404.If so, then after step S402, then directly step S408 is carried out.
In step s 404, the load management module 331 of this WAP (wireless access point) judges whether network usage is greater than default network usage threshold value.If not, then after step S404, proceed step S406.If so, then after step S404, then directly step S408 is carried out.In step S406, whether the load management module 331 decision processor utilization rate of this WAP (wireless access point) is greater than default processor utilization rate threshold value.If not, then after step S406, proceed step S410.If so, then after step S406, then directly step S408 is carried out.
In step S408, the load management module 331 starting load balancing of this WAP (wireless access point).In step S410, the load management module 331 not starting load balancing of this WAP (wireless access point).After step S408, carry out step S412.In step S412, when a line solicited message of receive not yet line one wireless window machine, the load management module 331 of this WAP (wireless access point) notifies that home control network communication protocol processing module 332 does not reply this line solicited message, make this wireless window machine of not yet line continue to attempt setting up line with other WAP (wireless access point), and the method 400 leave it at that.After the step s 410, step S414 is carried out.In step S414, when a line solicited message of receive not yet line one wireless window machine, the load management module 331 of this WAP (wireless access point) notifies that home control network communication protocol processing module 332 is replied or accepts this line solicited message.
In other embodiments, in similar above-mentioned step S412, when a WAP (wireless access point) receive a line solicited message of a wireless window machine of not yet line and this WAP (wireless access point) starting load balancing time, the load management module 331 of this WAP (wireless access point) can also notify that home control network communication protocol processing module 332 utilizes an end link information to reply this line solicited message, this wireless window machine is made to continue to attempt setting up line, to reach the load balance of Radio Network System with other WAP (wireless access point).
Fig. 5 is the flow chart that a kind of many WAP (wireless access point) work in coordination with balancing method of loads 500 according to one embodiment of the invention.This many WAP (wireless access point) work in coordination with balancing method of loads 500 and WAP (wireless access point) balancing method of loads 400 different be in, if when all WAP (wireless access point) in the same area all start balancing, these WAP (wireless access point) can cooperate the line solicited message of the wireless window machine judging whether to accept again not yet line.Will accept the line solicited message of the wireless window machine newly added if determine, then the further cooperation of these WAP (wireless access point) determines which WAP (wireless access point) will process or to receive this line solicited message by.
Referring to Fig. 2, Fig. 3 A and Fig. 5, this many WAP (wireless access point) is worked in coordination with in balancing method of loads 500, and multiple WAP (wireless access point) (such as: WAP (wireless access point) 1101 ~ 1104 ..., 110m) links up respective load condition (step S502) each other.Each WAP (wireless access point) all maintains a loaded list, and sequentially judges each load condition without access point (step S504) according to the total number of processor utilization rate, network usage and wireless window machine on line.A WAP (wireless access point) (such as: WAP (wireless access point) 1101) in multiple WAP (wireless access point) receives a line solicited message (step S506) of a wireless window machine (such as: wireless window machine 120n) of not yet line.The load management module of this WAP (wireless access point) (this namely, WAP (wireless access point) 1101) judges all WAP (wireless access point) of the same area all starting load balancings (step S508).If so, then step S510 is carried out after step s 508; If not, then step S512 is carried out after step s 508.
In step S512, the load management module 331 receiving the WAP (wireless access point) (this namely, WAP (wireless access point) 1101) of line solicited message judges whether itself is low load condition.If so, then after step S512, carry out step S514, and this WAP (wireless access point) accepts this line solicited message.If not, then after step S512, carry out step S516, and the load management module 331 of this WAP (wireless access point) notifies that home control network communication protocol processing module 332 is refused (or not responding) this line solicited message, and the WAP (wireless access point) (such as: WAP (wireless access point) 1103) at present for low load condition in notification payload list processes this line solicited message.
This many WAP (wireless access point) is worked in coordination with in balancing method of loads 500, if all WAP (wireless access point) of the same area all starting load balancings, then all WAP (wireless access point) are communicated with each other, and sequentially select one or more WAP (wireless access point) (step S510) that can receive this line solicited message according to the total number of processor utilization rate, network usage and wireless window machine on line.
Illustrate more accurately, all WAP (wireless access point) first choose a minimum WAP (wireless access point) of processor utilization rate in respective loaded list; More than a WAP (wireless access point), there is minimum processor utilization rate if having, then choose the WAP (wireless access point) that network usage in respective loaded list is minimum further; Have minimum network usage if having more than a WAP (wireless access point), then the total number choosing wireless window machine on line in respective loaded list is further a minimum WAP (wireless access point).After step S510 and S516, many WAP (wireless access point) are worked in coordination with balancing method of loads 500 and are left it at that.
In sum, multiple embodiment of the present invention proposes Radio Network System and WAP (wireless access point) thereof.Radio Network System has load balancing, can the WAP (wireless access point) linked in the same area of the wireless window machine of mean allocation, with the line of optimization wireless network.WAP (wireless access point) maintains the loaded list with the load condition of WAP (wireless access point) all in region, and the line request of the wireless window machine of acceptance one is selected according to load condition own, or notice is with being in one or more WAP (wireless access point) of low load condition to accept this line request in region, to reach the load balance in Radio Network System.
Although the present invention discloses as above with embodiment; so itself and be not used to limit the present invention, any the technical staff in the technical field, without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore the scope that protection scope of the present invention ought define with claim is as the criterion.
Claims (20)
1. a Radio Network System, is characterized in that, comprising:
At least one WAP (wireless access point), each WAP (wireless access point) is in order to maintain a loaded list of the load condition of all WAP (wireless access point) in the same area, and at least current according to an all WAP (wireless access point) processor utilization rate, in this loaded list, arrange the load condition of all WAP (wireless access point); And
Wherein, when a wireless window machine sends a line solicited message to a WAP (wireless access point), this WAP (wireless access point) judges whether itself is a low load condition,
When this WAP (wireless access point) judges this as this low load condition, accept this line solicited message;
When this WAP (wireless access point) judges itself not as this low load condition, notify that one or more WAP (wireless access point) being in this low load condition in same region is to accept this line solicited message.
2. Radio Network System according to claim 1, it is characterized in that, wherein each WAP (wireless access point) is sequentially according to a total number of a current processor utilization rate, a network usage and the wireless window machine on line of all WAP (wireless access point), and the load condition arranging all WAP (wireless access point) in this loaded list is load condition and a low load condition in a high load condition.
3. Radio Network System according to claim 2, is characterized in that, more comprises:
This low load condition is that the total number of the on line wireless window machine of a WAP (wireless access point) is less than or equal to a default line number threshold value, this processor utilization rate is less than or equal to a first processor utilization rate threshold value, and this network usage is less than or equal to a first network utilization rate threshold value;
In this, load condition is that the total number of the on line wireless window machine of a WAP (wireless access point) is less than or equal to one and presets line number threshold value, this processor utilization rate is less than or equal to one second processor utilization rate threshold value, and this network usage is less than or equal to a second network utilization rate threshold value; And
This high load condition is that the total number of the on line wireless window machine of a WAP (wireless access point) is greater than a default line number threshold value, or this processor utilization rate is greater than one second processor utilization rate threshold value, or this network usage is greater than a second network utilization rate threshold value.
4. Radio Network System according to claim 2, is characterized in that, more comprises:
Each WAP (wireless access point), when the load condition of itself changes, is broadcasted a update notification and is made all the other WAP (wireless access point) upgrade respective loaded list to all the other WAP (wireless access point); And
Those WAP (wireless access point) utilize between a WAP (wireless access point) that communications protocol is to link up respective load condition, and wherein this load condition comprises this total number of this processor utilization rate, this network usage and wireless window machine on line.
5. Radio Network System according to claim 1, is characterized in that, more comprises:
If a WAP (wireless access point) receives a line solicited message of a wireless window machine and this WAP (wireless access point) judges that this is as this low load condition, then this WAP (wireless access point) automatically accepts this line solicited message; And
If a WAP (wireless access point) receives a line solicited message of a wireless window machine and this WAP (wireless access point) judgement itself is not this low load condition, then this WAP (wireless access point) refuses this line solicited message, and notice is in one or more WAP (wireless access point) of this low load condition to accept this line solicited message.
6. Radio Network System according to claim 5, is characterized in that, more comprises:
This line solicited message comprises a probe requests thereby information, an authorization information or a connectivity request message; And
This WAP (wireless access point) utilizes an end link information to refuse this line solicited message.
7. Radio Network System according to claim 2, is characterized in that, more comprises:
If the total number of a wireless window machine on line of a WAP (wireless access point) judgement itself is greater than one preset line number threshold value, then this WAP (wireless access point) starts a load balancing;
If a processor utilization rate of a WAP (wireless access point) judgement itself is greater than a first processor utilization rate threshold value, then this WAP (wireless access point) starts this load balancing; And
If a network usage of a WAP (wireless access point) judgement itself is greater than a first network utilization rate threshold value, then this WAP (wireless access point) starts this load balancing.
8. Radio Network System according to claim 7, it is characterized in that, wherein when all WAP (wireless access point) all start this load balancing, those WAP (wireless access point) to utilize between a WAP (wireless access point) communications protocol to link up respective load condition, and judge whether a line solicited message of the wireless window machine accepting not yet line.
9. Radio Network System according to claim 8, it is characterized in that, wherein when all WAP (wireless access point) all start this load balancing, and determined this line solicited message of this wireless window machine accepting newly to add, then those WAP (wireless access point) are sequentially according to a total number of a current processor utilization rate, a network usage and the wireless window machine on line of each WAP (wireless access point), judge the WAP (wireless access point) accepting this line solicited message.
10. a WAP (wireless access point), be applicable to provide the connecting wireless network service of at least one wireless window machine and perform load balancing, it is characterized in that, this WAP (wireless access point) comprises:
One wireless transceiver module, in order to be wirelessly connected at least one WAP (wireless access point) or at least one wireless window machine in same region;
One memory module, comprising:
One home control network communication protocol processing module, in order at least to process the line solicited message that a wireless window machine sends; And
One load management module, in order to maintain a loaded list of the load condition of all WAP (wireless access point) in the same area, and at least current according to an all WAP (wireless access point) processor utilization rate, in this loaded list, arrange the load condition of all WAP (wireless access point);
One processor module, in order to perform this home control network communication protocol processing module and this load management module, and controls this wireless transceiver module and this memory module; And
Wherein, when a wireless window machine sends a line solicited message to this WAP (wireless access point), according to a processor utilization rate of this processor module, this load management module judges whether itself is a low load condition,
When this load management module judges this as this low load condition, accept this line solicited message;
When this load management module judges itself not as this low load condition, it is that one or more WAP (wireless access point) of a low load condition is to accept this line solicited message that notice is in same region.
11. WAP (wireless access point) according to claim 10, it is characterized in that, wherein this load management module is sequentially according to a total number of a current processor utilization rate, a network usage and the wireless window machine on line of all WAP (wireless access point), and the load condition arranging all WAP (wireless access point) in this loaded list is load condition and a low load condition in a high load condition.
12. WAP (wireless access point) according to claim 11, is characterized in that, more comprise:
This low load condition is that the total number of the on line wireless window machine of a WAP (wireless access point) is less than or equal to a default line number threshold value, this processor utilization rate is less than or equal to a first processor utilization rate threshold value, and this network usage is less than or equal to a first network utilization rate threshold value;
In this, load condition is that the total number of the on line wireless window machine of a WAP (wireless access point) is less than or equal to this default line number threshold value, this processor utilization rate is less than or equal to one second processor utilization rate threshold value, and this network usage is less than or equal to a second network utilization rate threshold value; And
This high load condition is that the total number of the on line wireless window machine of a WAP (wireless access point) is greater than this default line number threshold value, or this processor utilization rate is greater than this second processor utilization rate threshold value, or this network usage is greater than this second network utilization rate threshold value.
13. WAP (wireless access point) according to claim 11, is characterized in that, more comprise:
This load management module, when this load condition of this WAP (wireless access point) changes, is broadcasted a update notification to other WAP (wireless access point) in region, is made other WAP (wireless access point) upgrade respective loaded list; And
This load management module to utilize between a WAP (wireless access point) communications protocol and links up respective load condition with other WAP (wireless access point) in region, and wherein this load condition comprises this total number of this processor utilization rate, this network usage and wireless window machine on line.
14. WAP (wireless access point) according to claim 10, is characterized in that, more comprise:
If this WAP (wireless access point) receives a line solicited message of a wireless window machine and this load management module judges that this is as this low load condition, then this load management module notifies that this home control network communication protocol processing module accepts this line solicited message; And
If this WAP (wireless access point) receive a line solicited message of a wireless window machine and this WAP (wireless access point) judgement itself is not this low load condition time, then this load management module notifies that this home control network communication protocol processing module refuses this line solicited message, and notice is with being in one or more WAP (wireless access point) of this low load condition in region to accept this line solicited message.
15. WAP (wireless access point) according to claim 10, is characterized in that, more comprise:
This line solicited message comprises a probe requests thereby information, an authorization information or a connectivity request message; And
This home control network communication protocol processing module utilizes an end link information to refuse this line solicited message.
16. 1 kinds of WAP (wireless access point), be applicable to provide the connecting wireless network service of at least one wireless window machine and perform load balancing, it is characterized in that, this WAP (wireless access point) comprises:
One wireless transceiver module, in order to be wirelessly connected at least one WAP (wireless access point) or at least one wireless window machine in same region;
One memory module, comprising:
One home control network communication protocol processing module, in order at least to process the line solicited message that a wireless window machine sends; And
One load management module, in order to maintain a loaded list of the load condition of all WAP (wireless access point) in the same area, and when this load condition of this WAP (wireless access point) changes, broadcast a update notification to other WAP (wireless access point) in region, make other WAP (wireless access point) upgrade respective loaded list;
One processor module, in order to perform this home control network communication protocol processing module and this load management module, and controls this wireless transceiver module and this memory module; And
Wherein, when a wireless window machine sends a line solicited message to this WAP (wireless access point), this load management module judges whether this WAP (wireless access point) is a low load condition, and whether when being this low load condition according to this WAP (wireless access point), selection accepts this line solicited message or notice is in one or more WAP (wireless access point) of this low load condition to accept this line solicited message.
17. WAP (wireless access point) according to claim 16, is characterized in that, more comprise:
This load management module is according to a total number of a current processor utilization rate, a network usage and the wireless window machine on line of all WAP (wireless access point), and in this loaded list, arrange all WAP (wireless access point) is load condition and a low load condition in a high load condition;
This low load condition is that the total number of the on line wireless window machine of a WAP (wireless access point) is less than or equal to a default line number threshold value, this processor utilization rate is less than or equal to a first processor utilization rate threshold value, and this network usage is less than or equal to a first network utilization rate threshold value;
In this, load condition is that the total number of the on line wireless window machine of a WAP (wireless access point) is less than or equal to this default line number threshold value, this processor utilization rate is less than or equal to one second processor utilization rate threshold value, and this network usage is less than or equal to a second network utilization rate threshold value; And
This high load condition is that the total number of the on line wireless window machine of a WAP (wireless access point) is greater than this default line number threshold value, or this processor utilization rate is greater than this second processor utilization rate threshold value, or this network usage is greater than this second network utilization rate threshold value.
18. WAP (wireless access point) according to claim 16, is characterized in that, more comprise:
If this load management module judges that the total number of one of this WAP (wireless access point) wireless window machine on line is greater than one and presets line number threshold value, then this load management module starts a load balancing;
If this load management module judges that a processor utilization rate of this WAP (wireless access point) is greater than a first processor utilization rate threshold value, then this load management module starts this load balancing; And
If this load management module judges that a network usage of this WAP (wireless access point) is greater than a first network utilization rate threshold value, then this load management module starts this load balancing.
19. WAP (wireless access point) according to claim 18, it is characterized in that, wherein when all WAP (wireless access point) all start this load balancing, this load management module of this WAP (wireless access point) to utilize between a WAP (wireless access point) communications protocol and links up respective load condition with other WAP (wireless access point) in region, and judges whether a line solicited message of the wireless window machine accepting not yet line.
20. WAP (wireless access point) according to claim 18, it is characterized in that, wherein when all WAP (wireless access point) all start this load balancing and determined a line solicited message of the wireless window machine accepting not yet line, those WAP (wireless access point) sequentially according to a total number of a current processor utilization rate, a network usage and the wireless window machine on line of each WAP (wireless access point), judge the WAP (wireless access point) accepting this line request.
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| CN104168593B (en) * | 2014-08-25 | 2017-12-26 | 深圳市大迈科技有限公司 | A kind of method, system and the server of wireless network access |
| CN111077788A (en) * | 2019-12-24 | 2020-04-28 | 翱捷科技(深圳)有限公司 | Method, device and system for controlling access of intelligent equipment |
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| TWI327036B (en) * | 2006-10-05 | 2010-07-01 | Ind Tech Res Inst | Load balancing apparatus and method in wireless network hotspots |
| CN101282304B (en) * | 2008-05-22 | 2011-09-28 | 杭州华三通信技术有限公司 | Method for balancing load between access points, system, access point and mobile terminal |
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